Home / 201,851,173.06-278,554,575.85-109,031,681.81

Finding the Fourth Proportional to 201,851,173.06, 278,554,575.85 and 109,031,681.81

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Solution

The fourth proportional to 201,851,173.06, 278,554,575.85 and 109,031,681.81 is: 150,463,697.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,851,173.06 : 278,554,575.85 = 109,031,681.81 : x
  2. Step 2: Convert to fraction form
    201,851,173.06/278,554,575.85 = 109,031,681.81/x
  3. Step 3: Cross multiply
    201,851,173.06x = 278,554,575.85 × 109,031,681.81
  4. Step 4: Simplify right side
    201,851,173.06x = 30,371,273,881,220,520
  5. Step 5: Solve for x
    x = 30,371,273,881,220,520/201,851,173.06
  6. Step 6: Final answer
    x = 150,463,697.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.